:root {
  --color-bg: #EEF2F1;
  --color-surface: #E1E8E6;
  --color-primary: #1E4A4B;
  --color-accent: #01777E;
  --color-accent-text: #026B72;
  --color-text-heading: #1E4A4B;
  --color-text-body: #2B2F2F;
  --color-text-muted: #5A6363;
  --color-on-dark: #EEF2F1;
  --color-on-dark-muted: #B8CDCB;
  --color-on-dark-accent: #7FD1CF;
  --font-display: "Zen Old Mincho", "Noto Serif JP", "Hiragino Mincho ProN", serif;
  --font-body: "BIZ UDPGothic", "Noto Sans JP", "Hiragino Sans", sans-serif;
  --size-hero: clamp(44px, 9vw, 140px);
  --size-body: 16px;
  --size-caption: 13px;
  --ls-display: 0.06em;
  --lh-display: 1.15;
  --lh-body: 1.9;
  --rule: 1px solid color-mix(in srgb, var(--color-accent) 30%, transparent);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-short: 220ms;
  --gap: 0.45em;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html:lang(ja) {
  line-break: strict;
  word-break: normal;
  overflow-wrap: anywhere;
  text-autospace: normal;
}

body {
  background: var(--color-bg);
  color: var(--color-text-body);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
}

p, li, dd, small, .st, .say, .lead2, .what {
  text-wrap: pretty;
}

.nb {
  white-space: nowrap;
}

.sp {
  display: none;
}

@media (max-width: 640px) {
  .sp {
    display: inline;
  }
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Nav */
.nav {
  position: absolute;
  inset: 0 0 auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(20px, 4vw, 56px);
  z-index: 2;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand img.mk {
  width: auto;
  height: 34px;
}

.brand img.wd {
  width: auto;
  height: 15px;
}

.gnav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.2vw, 32px);
  font-size: 14px;
}

.gnav a {
  text-decoration: none;
  color: var(--color-text-heading);
  transition: opacity var(--dur-short) var(--ease-out);
}

.gnav a:hover {
  opacity: 0.6;
}

@media (max-width: 900px) {
  .gnav a:not(.contact) {
    display: none;
  }
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(80px, 12vh, 120px) clamp(20px, 4vw, 56px) clamp(140px, 22vh, 200px);
  overflow: hidden;
}

.stage {
  display: grid;
  justify-items: center;
  row-gap: 0.5em;
  font-size: var(--size-hero);
  color: var(--color-text-heading);
  will-change: transform;
}

/* 上段：三語 */
.row {
  display: flex;
  align-items: baseline;
  white-space: nowrap;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
}

.w {
  position: relative;
  display: inline-block;
  will-change: transform, opacity;
}

.w + .w {
  margin-left: var(--gap);
}

/* 各語の下に読み（ローマ字） */
.w .r {
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  margin-top: 0.08em;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.22em;
  letter-spacing: 0.12em;
  line-height: 1;
  color: var(--color-text-muted);
  white-space: nowrap;
  display: flex;
}

.w .r span {
  display: inline-block;
  will-change: transform, opacity;
}

/* 下段：社名。読みの文字が集まってこれになる */
.markwrap {
  position: relative;
  margin-top: 0.55em;
  display: grid;
  place-items: center;
}

.markwrap > * {
  grid-area: 1 / 1;
}

.mark {
  position: relative;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.62em;
  letter-spacing: 0.14em;
  line-height: 1;
  color: var(--color-accent-text);
  display: flex;
  opacity: 0;
}

.mark span {
  display: inline-block;
}

.mark.small {
  font-size: 0.22em;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  will-change: transform;
}

.deck {
  position: absolute;
  left: clamp(20px, 4vw, 56px);
  right: clamp(20px, 4vw, 56px);
  bottom: clamp(32px, 6vh, 72px);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 24px;
  padding-top: 20px;
  border-top: var(--rule);
}

.deck p {
  max-width: 36em;
  text-wrap: pretty;
}

.deck .lead {
  font-size: clamp(16px, 1.6vw, 20px);
  color: var(--color-text-heading);
}

.deck .cta {
  display: grid;
  justify-items: end;
  gap: 14px;
}

.deck .meta {
  font-size: var(--size-caption);
  color: var(--color-text-muted);
  line-height: 1.6;
  text-align: right;
  white-space: nowrap;
}

.hero-btn {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 420ms var(--ease-out), transform 420ms var(--ease-out);
}

.hero-btn.show {
  opacity: 1;
  transform: none;
}

.static .hero-btn {
  opacity: 1;
  transform: none;
  transition: none;
}

@media (prefers-reduced-motion: reduce) {
  .hero-btn {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 640px) {
  .deck {
    grid-template-columns: 1fr;
  }
  .deck .cta {
    justify-items: start;
  }
  .deck .meta {
    text-align: left;
    white-space: normal;
  }
  .hero {
    padding-bottom: clamp(200px, 34vh, 260px);
  }
}

/* JS無効・動きを止めている人：三語＋社名の完成形。読みは出さない */
.static .w .r {
  display: none;
}

.static .mark {
  opacity: 1;
}

.static .mark.small {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .w .r {
    display: none;
  }
  .mark {
    opacity: 1;
  }
  .mark.small {
    display: none;
  }
}

/* ===== セクション2：哲学（三語）＋ポートレート ===== */
.sec {
  padding: clamp(48px, 6vw, 80px) clamp(20px, 4vw, 56px) clamp(160px, 20vw, 280px); /* 上:下 = 1:3.5 */
}

.philo {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
  max-width: 1400px;
  margin: 0 auto;
}

.philo figure {
  margin: 0;
  position: sticky;
  top: clamp(24px, 6vh, 64px);
}

.portrait-ph {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 3 / 4;
  background: repeating-linear-gradient(135deg, #E1E8E6 0 12px, #EAF0EE 12px 24px);
  color: var(--color-text-muted);
  font-size: var(--size-caption);
  line-height: 1.8;
  text-align: center;
  outline: 1px dashed color-mix(in srgb, var(--color-accent) 40%, transparent);
  outline-offset: -1px;
}

.philo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: 50% 20%;
  mix-blend-mode: multiply;
}

.philo figcaption {
  margin-top: 12px;
  font-size: var(--size-caption);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.philo .lead2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 2.6vw, 36px);
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--color-text-heading);
  max-width: 22em;
  text-wrap: balance;
  margin-bottom: clamp(40px, 6vw, 88px);
}

.tri {
  list-style: none;
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.tri li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(16px, 2.5vw, 40px);
  align-items: start;
  padding-top: 20px;
  border-top: var(--rule);
}

.tri .k {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--color-text-heading);
  min-width: 2.2em;
}

.tri .k small {
  display: block;
  margin-top: 10px;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
}

.tri p {
  max-width: 30em;
  padding-top: 0.2em;
}

.tri p b {
  display: block;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 0.35em;
}

.philo .after {
  margin-top: clamp(40px, 6vw, 88px);
  max-width: 33em;
  color: var(--color-text-body);
}

@media (max-width: 800px) {
  .philo .after br {
    display: none;
  }
  .philo {
    grid-template-columns: 1fr;
  }
  .philo figure {
    position: static;
    max-width: 420px;
  }
  .tri li {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .tri .k {
    min-width: 0;
  }
}

/* ===== セクション3：代表の来歴（ダーク帯） ===== */
.career {
  background: var(--color-primary);
  color: var(--color-on-dark);
  padding: clamp(48px, 6vw, 80px) clamp(20px, 4vw, 56px) clamp(200px, 25vw, 360px);
}

.career .in {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}

.career h2 {
  position: sticky;
  top: clamp(24px, 6vh, 64px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.3;
  letter-spacing: 0.06em;
}

.career h2 small {
  display: block;
  margin-top: 14px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--size-body);
  line-height: var(--lh-body);
  letter-spacing: normal;
  color: var(--color-on-dark-muted);
  max-width: 22em;
}

.tl {
  list-style: none;
  border-left: 1px solid color-mix(in srgb, #7FD1CF 45%, transparent);
  padding-left: clamp(20px, 3vw, 44px);
}

.tl li {
  position: relative;
  padding-bottom: clamp(40px, 5vw, 72px);
}

.tl li::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(20px, 3vw, 44px) - 4px);
  top: 0.9em;
  width: 7px;
  height: 7px;
  background: #7FD1CF;
}

.tl li:last-child {
  padding-bottom: 0;
}

.tl .org {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 48px);
  line-height: 1.2;
  letter-spacing: 0.04em;
  display: flex;
  align-items: baseline;
  gap: 0.4em;
  flex-wrap: wrap;
}

.tl .org .n {
  font-size: 1.6em;
  line-height: 1;
  color: #7FD1CF;
}

.tl .org .n small {
  font-size: 0.45em;
  margin-left: 0.1em;
}

.tl .org .n small.pre {
  margin-left: 0;
  margin-right: 0.15em;
}

.tl .role {
  margin-top: 6px;
  font-size: var(--size-caption);
  letter-spacing: 0.08em;
  color: var(--color-on-dark-muted);
}

.tl p {
  margin-top: 12px;
  max-width: 34em;
  color: var(--color-on-dark);
}

.tl p.note {
  font-size: var(--size-caption);
  line-height: 1.6;
  color: var(--color-on-dark-muted);
}

.tl .now .org {
  color: #7FD1CF;
}

.tl .now::before {
  background: var(--color-on-dark);
  width: 11px;
  height: 11px;
  left: calc(-1 * clamp(20px, 3vw, 44px) - 6px);
}

@media (max-width: 800px) {
  .career .in {
    grid-template-columns: 1fr;
  }
  .career h2 {
    position: static;
  }
}

/* ===== セクション4：事業内容（言い切り文が主役。開くと具体） ===== */
.biz {
  padding: clamp(48px, 6vw, 80px) clamp(20px, 4vw, 56px) clamp(160px, 20vw, 280px);
}

.biz .in {
  max-width: 1400px;
  margin: 0 auto;
}

.biz .head {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: end;
  margin-bottom: clamp(32px, 4vw, 56px);
}

.biz h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.3;
  letter-spacing: 0.06em;
  color: var(--color-text-heading);
}

.biz .head p {
  max-width: 36em;
}

.svc {
  list-style: none;
  border-top: var(--rule);
}

.svc details {
  border-bottom: var(--rule);
}

.svc summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 8fr) 44px;
  column-gap: clamp(16px, 3vw, 48px);
  align-items: start;
  padding: clamp(28px, 3.5vw, 48px) 0 clamp(20px, 2.5vw, 32px);
  transition: opacity var(--dur-short) var(--ease-out);
}

.svc .area {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.7vw, 24px);
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--color-text-heading);
  padding-top: 0.35em;
  max-width: 12em;
}

.svc summary::-webkit-details-marker {
  display: none;
}

.svc summary:hover {
  opacity: 0.72;
}

.svc summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 6px;
}

.svc .say {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 52px);
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--color-text-heading);
  max-width: 22em;
}

/* 開閉の印：「＋」が「−」になる。矢印は使わない */
.svc .pm {
  position: relative;
  width: 32px;
  height: 32px;
  justify-self: end;
  margin-top: 0.55em;
}

.svc .pm::before,
.svc .pm::after {
  content: "";
  position: absolute;
  background: var(--color-accent);
  transition: transform var(--dur-short) var(--ease-out);
}

.svc .pm::before {
  left: 0;
  top: 15px;
  width: 32px;
  height: 2px;
}

.svc .pm::after {
  left: 15px;
  top: 0;
  width: 2px;
  height: 32px;
}

.svc details[open] .pm::after {
  transform: scaleY(0);
}

.svc .body {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 8fr) 44px;
  column-gap: clamp(16px, 3vw, 48px);
  padding: 0 0 clamp(28px, 3.5vw, 48px);
}

.svc .body .what {
  grid-column: 2;
  font-weight: 700;
  color: var(--color-text-heading);
  max-width: 22em;
}

.svc .how {
  grid-column: 2;
  margin-top: 12px;
  list-style: none;
  font-size: 15px;
  line-height: 1.8;
  max-width: 34em;
}

.svc .how li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 1px;
  background: var(--color-accent);
  vertical-align: middle;
  margin-right: 10px;
}

/* 開く動き：中身だけ 220ms でフェード＋4px。高さのアニメはしない */
@keyframes svcIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.svc details[open] .body {
  animation: svcIn var(--dur-short) var(--ease-out);
}

@media (prefers-reduced-motion: reduce) {
  .svc details[open] .body {
    animation: none;
  }
}

@media (max-width: 800px) {
  .biz .head {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .svc summary {
    grid-template-columns: minmax(0, 1fr) 32px;
    row-gap: 8px;
  }
  .svc .area {
    grid-column: 1;
    grid-row: 1;
    padding-top: 0;
    font-size: 15px;
    max-width: none;
  }
  .svc .say {
    grid-column: 1 / -1;
    grid-row: 2;
    font-size: 21px;
    letter-spacing: 0.02em;
  }
  .svc .pm {
    grid-column: 2;
    grid-row: 1;
    width: 26px;
    height: 26px;
    margin-top: 0;
  }
  .svc .pm::before {
    top: 12px;
    width: 26px;
  }
  .svc .pm::after {
    left: 12px;
    height: 26px;
  }
  .svc .body {
    grid-template-columns: 1fr;
    row-gap: 12px;
  }
  .svc .body .what,
  .svc .how {
    grid-column: 1;
  }
}

/* ===== セクション5：支援の流れ（円のエコー） ===== */
.flow {
  padding: clamp(48px, 6vw, 80px) clamp(20px, 4vw, 56px) clamp(160px, 20vw, 280px);
  background: var(--color-surface);
}

.flow .in {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  padding-left: clamp(0px, 4vw, 64px);
  gap: clamp(32px, 6vw, 96px);
  align-items: center;
}

.flow h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.3;
  letter-spacing: 0.06em;
  color: var(--color-text-heading);
}

.flow h2 small {
  display: block;
  margin-top: 14px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--size-body);
  line-height: var(--lh-body);
  letter-spacing: normal;
  color: var(--color-text-body);
  max-width: 24em;
}

.ring2 {
  width: min(100%, 420px);
  margin: clamp(24px, 4vw, 48px) 0 0;
}

.ring2 circle.base {
  fill: none;
  stroke: var(--color-accent);
  stroke-opacity: 0.35;
  stroke-width: 1.5;
}

.ring2 circle.dot {
  fill: var(--color-accent);
}

.ring2 text {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  fill: var(--color-text-muted);
}

.ring2 text.c {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.08em;
  fill: var(--color-text-heading);
}

.steps {
  list-style: none;
  counter-reset: st;
  border-top: var(--rule);
}

.steps li {
  counter-increment: st;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 2vw, 28px);
  padding: clamp(20px, 2.5vw, 32px) 0;
  border-bottom: var(--rule);
}

.steps li::before {
  grid-row: 1 / 3;
  white-space: nowrap;
  min-width: 1.4em;
  font-variant-numeric: tabular-nums;
  content: "0" counter(st);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1;
  color: var(--color-accent-text);
}

.steps h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--color-text-heading);
}

.steps p {
  grid-column: 2;
  margin-top: 6px;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.8;
}

@media (max-width: 800px) {
  .flow .in {
    grid-template-columns: 1fr;
    padding-left: 0;
  }
  .ring2 {
    max-width: 280px;
  }
}

/* ===== セクション6：会社概要 ===== */
.co {
  padding: clamp(48px, 6vw, 80px) clamp(20px, 4vw, 56px) clamp(160px, 20vw, 280px);
}

.co .in {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}

.co h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.3;
  letter-spacing: 0.06em;
  color: var(--color-text-heading);
}

.co dl {
  border-top: var(--rule);
}

.co .row {
  display: grid;
  grid-template-columns: 9em minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: var(--rule);
  line-height: 1.6;
}

.co dt {
  color: var(--color-text-muted);
  font-size: 15px;
}

.co dd {
  color: var(--color-text-body);
}

.co .lines {
  list-style: none;
  display: grid;
  gap: 4px;
}

@media (max-width: 800px) {
  .co .in {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .co .row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

/* ===== セクション7：お問い合わせ ===== */
.contact-sec {
  padding: clamp(48px, 6vw, 80px) clamp(20px, 4vw, 56px) clamp(120px, 14vw, 200px);
  background: var(--color-primary);
  color: var(--color-on-dark);
}

.contact-sec .in {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}

.contact-sec h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 3.6vw, 56px);
  line-height: 1.25;
  letter-spacing: 0.06em;
}

.contact-sec h2 small {
  display: block;
  margin-top: 20px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--size-body);
  line-height: var(--lh-body);
  letter-spacing: normal;
  color: var(--color-on-dark-muted);
  max-width: 24em;
}

.contact-sec .promise {
  margin-top: 28px;
  padding: 18px 0;
  border-top: 1px solid var(--color-on-dark-accent);
  border-bottom: 1px solid var(--color-on-dark-accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 1.9vw, 26px);
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--color-on-dark);
  max-width: 16em;
}

.contact-sec .alt {
  margin-top: 28px;
  font-size: var(--size-caption);
  color: var(--color-on-dark-muted);
  line-height: 1.7;
}

.contact-sec .alt a {
  color: var(--color-on-dark);
}

.form {
  display: grid;
  gap: 22px;
}

.form .f {
  display: grid;
  gap: 6px;
}

.form label {
  font-size: 14px;
  line-height: 1.4;
  color: var(--color-on-dark-muted);
  display: flex;
  gap: 8px;
  align-items: baseline;
}

.form label .req {
  font-size: 11px;
  color: var(--color-on-dark-accent);
  letter-spacing: 0.08em;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  font: inherit;
  font-size: 16px;
  line-height: 1.4;
  padding: 12px 14px;
  color: var(--color-on-dark);
  background: color-mix(in srgb, #fff 6%, transparent);
  border: 1px solid color-mix(in srgb, #fff 28%, transparent);
  border-radius: 0;
  transition: border-color var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out);
}

.form input::placeholder,
.form textarea::placeholder {
  color: color-mix(in srgb, var(--color-on-dark-muted) 60%, transparent);
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--color-on-dark-accent);
  background: color-mix(in srgb, #fff 9%, transparent);
}

.form select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-on-dark-muted) 50%), linear-gradient(135deg, var(--color-on-dark-muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%;
  background-size: 6px 6px;
  background-repeat: no-repeat;
}

.form select option {
  color: #1E1E1E;
}

.form textarea {
  min-height: 160px;
  resize: vertical;
}

.form .f.err input,
.form .f.err textarea,
.form .f.err select {
  border-color: #F2B8B5;
}

.form .msg {
  font-size: 13px;
  line-height: 1.5;
  color: #F2B8B5;
  display: none;
}

.form .f.err .msg {
  display: block;
}

.form .chk {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--color-on-dark-muted);
  line-height: 1.6;
}

.form .chk input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--color-on-dark-accent);
}

.form .chk a {
  color: var(--color-on-dark);
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.btn {
  position: relative;
  overflow: hidden;
  justify-self: start;
  display: inline-flex;
  text-decoration: none;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 56px;
  padding: 0 32px;
  font: inherit;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--color-on-dark);
  background: var(--color-accent);
  border: 0;
  border-radius: 0;
  cursor: pointer;
  transition: transform var(--dur-micro) var(--ease-out);
}

.btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: -60%;
  width: 40%;
  height: 100%;
  background: rgba(255, 255, 255, 0.5);
  transform: skewX(-20deg);
  transition: left 420ms var(--ease-out);
}

.btn:hover::after {
  left: 120%;
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus-visible {
  outline: 2px solid var(--color-on-dark);
  outline-offset: 4px;
}

.form .done {
  display: none;
  padding: 28px 0;
  border-top: 1px solid color-mix(in srgb, #fff 28%, transparent);
  border-bottom: 1px solid color-mix(in srgb, #fff 28%, transparent);
}

.form .done h3 {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.form.sent .done {
  display: block;
}

.form.sent .f,
.form.sent .chk,
.form.sent .btn,
.form.sent .fail {
  display: none;
}

.form .fail {
  display: none;
  font-size: 14px;
  line-height: 1.6;
  padding: 14px 16px;
  border: 1px solid #F2B8B5;
  color: #F2B8B5;
}

.form.failed .fail {
  display: block;
}

@media (max-width: 800px) {
  .contact-sec .in {
    grid-template-columns: 1fr;
  }
}

/* ===== フッター ===== */
.foot {
  background: var(--color-primary);
  color: var(--color-on-dark-muted);
  padding: 0 clamp(20px, 4vw, 56px) 40px;
}

.foot .in {
  max-width: 1400px;
  margin: 0 auto;
  border-top: 1px solid color-mix(in srgb, #fff 18%, transparent);
  padding-top: 40px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
  font-size: 13px;
}

.foot .brand {
  color: var(--color-on-dark);
}

.foot .brand img.lk {
  width: auto;
  height: 96px;
  display: block;
}

.foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  justify-content: center;
}

.foot nav a {
  text-decoration: none;
  color: var(--color-on-dark-muted);
  transition: color var(--dur-short) var(--ease-out);
}

.foot nav a:hover {
  color: var(--color-on-dark);
}

.foot .legal {
  display: flex;
  gap: 18px;
  align-items: center;
  white-space: nowrap;
}

.foot .legal a {
  color: var(--color-on-dark-muted);
  text-decoration: none;
}

@media (max-width: 800px) {
  .foot .in {
    grid-template-columns: 1fr;
    justify-items: start;
  }
  .foot nav {
    justify-content: flex-start;
  }
}

/* ===== セクション2.5：理念（Purpose / Mission / Vision / Values）＋行動指針 ===== */
.creed {
  padding: clamp(48px, 6vw, 80px) clamp(20px, 4vw, 56px) clamp(160px, 20vw, 280px);
  background: var(--color-surface);
}

.creed .in {
  max-width: 1400px;
  margin: 0 auto;
}

.pmv {
  list-style: none;
  border-top: var(--rule);
}

.pmv li {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: clamp(16px, 3vw, 48px);
  padding: clamp(28px, 3.5vw, 48px) 0;
  border-bottom: var(--rule);
}

.pmv .lab {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--color-text-heading);
  padding-top: 0.9em;
}

.pmv .lab span {
  display: block;
  margin-top: 4px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.pmv .st {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 56px);
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--color-text-heading);
}

.pmv p {
  margin-top: 14px;
  max-width: 34em;
}

.vals {
  margin-top: clamp(56px, 8vw, 120px);
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: clamp(16px, 3vw, 48px);
  align-items: start;
}

.vals .lab {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--color-text-heading);
  padding-top: 0.4em;
}

.vals .lab span {
  display: block;
  margin-top: 4px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.vals ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 4vw, 64px);
}

.vals li {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(48px, 7vw, 112px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--color-text-heading);
}

.vals li small {
  display: block;
  margin-top: 14px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.creed .conduct {
  margin-top: clamp(56px, 8vw, 120px);
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: clamp(16px, 3vw, 48px);
  align-items: start;
}

.conduct h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--color-text-heading);
}

.conduct h3 small {
  display: block;
  margin-top: 10px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--size-caption);
  letter-spacing: normal;
  color: var(--color-text-muted);
  max-width: 18em;
  line-height: 1.7;
}

.grid9 {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: clamp(20px, 3vw, 48px);
  border-top: var(--rule);
}

.grid9 li {
  display: grid;
  grid-template-rows: auto auto 1fr;
  padding: clamp(20px, 2.4vw, 32px) 0 clamp(24px, 3vw, 40px);
  border-bottom: var(--rule);
}

.grid9 .no {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--color-accent-text);
}

.grid9 .kw {
  margin-top: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 3.4vw, 52px);
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--color-text-heading);
}

.grid9 p {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.8;
  max-width: 18em;
}

@media (max-width: 800px) {
  .pmv li,
  .vals,
  .creed .conduct {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .vals ul {
    gap: 20px 32px;
  }
  .grid9 {
    grid-template-columns: 1fr;
  }
}

/* ===== 決定稿：ヒーロー背景＝波打つ同系色グラデーション（WebGL、依存なし） ===== */
.hero {
  background: linear-gradient(160deg, #F5F8F7 0%, #EEF2F1 50%, #E3ECEA 100%); /* WebGL不可・reduced-motion時の静止画 */
}

.hero canvas.silk {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.hero canvas.silk.on {
  opacity: 1;
}

.hero h1 {
  position: relative;
  z-index: 1;
}

.hero .deck {
  z-index: 1;
}

.career {
  background:
    radial-gradient(60vw 50vw at 0% 0%, rgba(1, 119, 126, 0.45) 0%, rgba(1, 119, 126, 0) 60%),
    radial-gradient(50vw 50vw at 100% 100%, rgba(8, 38, 40, 0.9) 0%, rgba(8, 38, 40, 0) 60%),
    linear-gradient(180deg, #1E4A4B 0%, #173F41 55%, #0E3032 100%);
}

.contact-sec {
  background:
    radial-gradient(55vw 55vw at 100% 0%, rgba(1, 119, 126, 0.55) 0%, rgba(1, 119, 126, 0) 62%),
    radial-gradient(50vw 50vw at 0% 100%, rgba(8, 38, 40, 0.85) 0%, rgba(8, 38, 40, 0) 60%),
    linear-gradient(165deg, #215558 0%, #1E4A4B 45%, #113436 100%);
}

.flow {
  background: linear-gradient(180deg, #EEF2F1 0%, #D9E4E1 100%);
}

.creed {
  background: linear-gradient(180deg, #EAF0EE 0%, #D9E4E1 100%);
}

.recruit {
  background: linear-gradient(180deg, #EAF0EE 0%, #D9E4E1 100%);
}

.foot {
  background: #0E3032;
}

/* ===== 決定稿：固定ヘッダー ===== */
html {
  scroll-padding-top: 72px;
  scroll-behavior: smooth;
}

.nav {
  position: fixed;
  background: rgba(238, 242, 241, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--color-accent) 18%, transparent);
  padding-top: 14px;
  padding-bottom: 14px;
}

/* ===== 決定稿：Values の大きさ ===== */
.vals li {
  font-size: clamp(34px, 4.2vw, 64px);
}

.vals ul {
  gap: clamp(16px, 3vw, 48px);
}

/* ===== 決定稿：採用 ===== */
.recruit {
  padding: clamp(48px, 6vw, 80px) clamp(20px, 4vw, 56px) clamp(160px, 20vw, 280px);
  background: linear-gradient(180deg, #E6ECEA 0%, #E1E8E6 100%);
}

.recruit .in {
  max-width: 1400px;
  margin: 0 auto;
}

.recruit .head {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: end;
  margin-bottom: clamp(40px, 5vw, 72px);
}

.recruit h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.3;
  letter-spacing: 0.06em;
  color: var(--color-text-heading);
}

.recruit .head p {
  max-width: 36em;
}

.recruit .conduct {
  margin-top: 0;
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}

@media (max-width: 800px) {
  .recruit .conduct {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

.recruit .cta {
  margin-top: clamp(40px, 5vw, 72px);
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(32px, 6vw, 96px);
}

.recruit .cta .btn {
  grid-column: 2;
}

@media (max-width: 800px) {
  .recruit .head,
  .recruit .cta {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .recruit .cta .btn {
    grid-column: 1;
  }
}

/* 社名の「株式会社」は小さく */
.tl .org .kk {
  font-size: 0.42em;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-on-dark-muted);
  align-self: baseline;
}

/* 送信中の状態。承認済みデザインには無かった状態のみを足している */
.form.sending .btn {
  opacity: 0.55;
  cursor: progress;
}

.form.sending .f input,
.form.sending .f textarea,
.form.sending .f select {
  opacity: 0.7;
}