@charset "UTF-8";

/* ============================================================
   hashitofune ポートフォリオ
   意匠：青焼き図面の配色（濃藍の地に図面線と朱）。
   構成は説明を足さず、作品を淡々と並べるだけに留めている。
   ============================================================ */

:root {
  --ink:        #0d2438;  /* 図面の地 */
  --ink-deep:   #081a2a;  /* 図版の下地 */
  --line:       #5b8fb0;  /* 図面の罫線 */
  --line-faint: rgba(91, 143, 176, .22);
  --paper:      #eaf1f5;  /* 本文 */
  --paper-dim:  #a8c0d0;  /* 補助テキスト */
  --vermilion:  #e4572e;  /* 朱 */
  --asagi:      #7fb7b5;  /* 水浅葱 */

  --measure: 72rem;

  --mincho: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --gothic: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--gothic);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .02em;
  overflow-x: hidden;
}

.grid-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-faint) 1px, transparent 1px);
  background-size: 88px 88px, 88px 88px;
  opacity: .3;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 100%);
}

/* ---------- 冒頭 ---------- */

.masthead {
  position: relative;
  z-index: 1;
  max-width: var(--measure);
  margin: 0 auto;
  padding: clamp(3.5rem, 9vw, 6rem) clamp(1.25rem, 5vw, 3rem) clamp(2.5rem, 6vw, 4rem);
}

.byline {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(.9375rem, 1.6vw, 1.0625rem);
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--asagi);
}

.lede {
  max-width: 36em;
  margin: 1.5rem 0 0;
  color: var(--paper-dim);
  font-size: .9375rem;
}

/* ---------- 作品一覧 ---------- */

.works {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 3.5rem) clamp(1.75rem, 3vw, 2.5rem);
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
}
@media (min-width: 48rem) {
  .works { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.work-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.shot {
  margin: 0 0 1.25rem;
  border: 1px solid var(--line-faint);
  background: var(--ink-deep);
  overflow: hidden;
}
.shot img {
  display: block;
  width: 100%;
  height: auto;
  opacity: .9;
  transition: opacity .35s ease;
}
.work-link:hover .shot img,
.work-link:focus-visible .shot img { opacity: 1; }
.work-link:hover .shot,
.work-link:focus-visible .shot { border-color: var(--line); }

.title {
  margin: 0;
  font-family: var(--mincho);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.2vw, 1.5rem);
  line-height: 1.5;
  letter-spacing: .01em;
  transition: color .3s ease;
}
.work-link:hover .title,
.work-link:focus-visible .title { color: var(--vermilion); }

.subtitle {
  margin: .35rem 0 0;
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--paper-dim);
}

.desc {
  margin: .9rem 0 0;
  color: var(--paper-dim);
  font-size: .875rem;
  line-height: 1.8;
}

/* リンク先を明示しておく。どこへ移動するか押す前にわかるように */
.host {
  margin: .9rem 0 0;
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--line);
}

/* 状態の断り書き。未完成のものを黙って並べないための一行 */
.notice {
  margin: .9rem 0 0;
  padding-left: .8rem;
  border-left: 2px solid rgba(228, 87, 46, .5);
  font-size: .75rem;
  line-height: 1.7;
  color: var(--paper-dim);
}

/* ---------- 末尾 ---------- */

.colophon {
  position: relative;
  z-index: 1;
  max-width: var(--measure);
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 7rem) clamp(1.25rem, 5vw, 3rem) clamp(4rem, 9vw, 6rem);
}
.colophon::before {
  content: "";
  display: block;
  width: 3.5rem;
  height: 1px;
  margin-bottom: 1.75rem;
  background: var(--line);
}

.foot-note {
  max-width: 40em;
  margin: 0;
  font-size: .75rem;
  line-height: 1.9;
  color: var(--line);
}

/* ---------- 共通 ---------- */

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

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}