/* 自分でやってみたい方へ */
.start-page { color: var(--navy); }
.start-hero { padding-block: clamp(5rem, 9vw, 8rem); background: linear-gradient(180deg, var(--pale) 0%, #e2f0fa 100%); }
.start-hero-inner { max-width: 1248px; }
.start-hero .eyebrow { display: inline-block; margin-bottom: 1.5rem; padding-bottom: .65rem; border-bottom: 1px solid var(--blue); font: 600 1rem/1.5 var(--serif); letter-spacing: .06em; }
.start-hero h1 { max-width: 13em; color: var(--navy); font-size: clamp(2.4rem, 5.4vw, 4.5rem); font-weight: 700; line-height: 1.45; }
.start-lead { margin-top: 1.3rem; font-size: clamp(1rem, 1.6vw, 1.2rem); }
.start-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem 2rem; margin-top: 2rem; }
.start-actions .text-link { color: var(--blue); }
.start-actions .text-link:hover { color: var(--blue-dark); }

/* 4段のタイムライン */
.start-steps { background: #fff; }
.start-steps-head { display: flex; justify-content: space-between; align-items: end; gap: 1rem; margin-bottom: 2.2rem; }
.start-steps-head h2 { color: var(--navy); font-weight: 600; }
.start-steps-head p { padding-bottom: .5rem; color: var(--ink-soft); font-size: .85rem; white-space: nowrap; }
.start-timeline { position: relative; }
.start-timeline::before { content: ""; position: absolute; top: 1.5rem; bottom: 1.5rem; left: 1.25rem; width: 1px; background: var(--blue); }
.start-step { position: relative; padding: 1.7rem 0 2rem; border-bottom: 1px solid var(--home-line); }
.start-step:first-child { padding-top: 0; }
.start-step:last-child { border-bottom: 0; }
.start-step-main { display: grid; grid-template-columns: 2.5rem minmax(8rem, 1fr) minmax(12rem, 1.25fr) minmax(8rem, .85fr) minmax(9rem, 12rem); align-items: center; gap: 1.1rem; }
.start-number { position: relative; z-index: 1; display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: 50%; background: var(--blue); color: #fff; font: 600 1.3rem/1 var(--serif); }
.start-step h3 { color: var(--navy); font-size: clamp(1.8rem, 2.7vw, 2.6rem); font-weight: 600; line-height: 1.35; }
.start-product { min-width: 0; padding-left: 1.2rem; border-left: 1px solid var(--home-line); }
.start-product h4 { margin: 0; color: var(--navy); font: 600 clamp(1.15rem, 1.7vw, 1.5rem)/1.5 var(--serif); }
.start-product p { margin-top: .25rem; font-size: .92rem; line-height: 1.6; }
.start-price { color: var(--blue); text-align: right; }
.start-price strong { display: block; font: 600 clamp(1.2rem, 2vw, 1.7rem)/1.4 var(--serif); white-space: nowrap; }
.start-price span { display: block; margin-top: .25rem; color: var(--ink-soft); font-size: .78rem; white-space: nowrap; }
.start-step-main img { width: 100%; height: auto; aspect-ratio: 3 / 2; border-radius: 5px; object-fit: cover; background: var(--pale); }
.start-details { display: grid; gap: .35rem; margin: 1.1rem 0 0 3.6rem; color: var(--ink-soft); font-size: .85rem; line-height: 1.65; }
.start-details div { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: .8rem; }
.start-details dt { color: var(--navy); font-weight: 700; }
.start-details dd { min-width: 0; margin: 0; }
.start-steps-foot { margin-top: 1.8rem; text-align: center; }
.start-steps-foot p { color: var(--ink-soft); font-size: .9rem; }
.start-steps-foot .pill { margin-top: 1.2rem; }

/* 締めの案内 */
.start-close { background: var(--navy); color: #fff; }
.start-close h2 { font-weight: 600; }
.start-close p { margin-top: .7rem; }
.start-close .pill { margin-top: 1.4rem; background: #fff; color: var(--navy); box-shadow: none; }
.start-close .pill:hover { background: var(--pale); }

@media (max-width: 960px) {
  .start-hero { padding-block: 4.5rem; }
  .start-hero h1 { font-size: clamp(2rem, 7vw, 3rem); }
  .start-hero h1 br { display: none; }
  .start-actions { align-items: stretch; }
  .start-actions .text-link { margin-inline: auto; }
  .start-steps-head { display: block; margin-bottom: 1.5rem; }
  .start-steps-head p { margin-top: .3rem; padding: 0; }
  .start-timeline::before { left: 1.1rem; }
  .start-step { padding-block: 1.8rem; }
  .start-step-main { grid-template-columns: 2.2rem minmax(0, 1fr); gap: .35rem .9rem; align-items: start; }
  .start-number { grid-row: 1 / 5; width: 2.2rem; height: 2.2rem; font-size: 1.1rem; }
  .start-step h3, .start-product, .start-price, .start-step-main img { grid-column: 2; }
  .start-step h3 { font-size: 2rem; }
  .start-product { padding: 0; border: 0; }
  .start-price { text-align: left; }
  .start-step-main img { max-width: 20rem; margin-top: .5rem; }
  .start-details { margin-left: 3.1rem; font-size: .8rem; }
  .start-details div { display: block; }
  .start-details dd { margin-top: .05rem; }
  .start-close h2 { font-size: 2rem; }
}